混合光纤
- 网络hybrid fiber
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一种新的优化喇曼掺Er混合光纤放大器结构
A Novel Optimal Configuration of a Raman / Er-doped Hybrid Fiber Amplifier
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HFC混合光纤同轴网组网分析
The Analysis of Network Structure For The Hybrid Fiber Coax
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跳频扩时混合光纤CDMA系统的研究
Discussion on frequency hop and time hop hybrid system of optical CDMA
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混合光纤同轴电缆网络中的MAC技术分析
The MAC Technique Used in HFC Networks
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混合光纤/同轴网(HFC)的关键技术及发展趋势
The Key Technologies and Developing Trend of HFC
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介绍混合光纤同轴接入网(HFC)的网络结构、传输方式、频谱分配方案和调制与多址连接技术。
This paper presents an introduction to the network structure , transmission method , frequency spectrum distribution scheme , modulation and multiaddress connection technology concerning HFC .
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分析了混合光纤同轴电缆(HFC)或纯有线电缆交互式全功能网络的特殊性,指出了它们为什么不能采用传统的MAC技术。
It ex-plores the speciality of Hybrid-Fiber Coax ( HFC ) or all-coax based interactive full service networks , explains why legacy MAC techniques do not fit for this network .
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HFC网络(混合光纤同轴网)采用树状拓扑结构,分布于较广的区域,有较大的延时,这使得HFC网络中的MAC(介质访问控制)协议的设计成为一个值得研究的问题。
Due to the HFC network 's tree topology , large service area and great round trip delay , it is an issue worth researching when we design the MAC ( Media Access Control ) protocol in HFC networks .
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混合光纤/同轴电缆(HFC)网络是目前很有竞争力的宽带用户接入技术之一,有望解决信息高速公路的最后一公里问题。
The Hybrid Fiber / Coax ( HFC ) network is one of the broadband access networks with high competitive power , and is expected to be the solution of the " last mile " for the Information Superhighway .
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由掺铒光纤放大器(EDFA)和光纤喇曼放大器(FRA)构成的宽带混合光纤放大器(WidebandHybridFiberAmplifier)具有高增益,宽带宽,低噪声,高输出功率等优点,是今后光纤放大器的发展方向。
Wideband hybrid fiber amplifier composed of EDFA and FRA has characteristics of high gain , wide band , low noise and high output power . It is the direction of the fiber amplifier .
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本文介绍了微波副载波复用(MW-SCM)光纤传输系统设计考虑、性能分析及在微波副载波CATV传输系统和混合光纤/无线通信系统两个方面的应用。
This paper describes several design considerations of a MW-SCM fiber-optic transmission system , analyzes its performance characteristics and introduces its applications on a MW-SCM CATV fiberoptic transmission system and a hybrid fiberoptic / wireless communication system .
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提出了一种新型的电光混合光纤光学双稳装置,它由波长为1.55μm带尾纤的DFB半导体激光器、全光纤可调谐FabryPerot滤波器和电光反馈电路构成。
A new type hybrid optical bistable device ( OBD ) was proposed . This OBD consists of a center wavelength 1.55 μ m DFB laser with pigtail , fiber Fabry-Perot filter controlled by piezoelectric translator ( PZT ), and a certain optoelectronic feedback circuit .
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基于混合光纤放大器的波分复用光纤传输系统研究
Research of WDM optical fiber transmission system based on hybrid fiber amplifier
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用于鉴别应变/温度的混合光纤光栅传感器的研究
The Study of Hybrid Optic-Fiber Grating Sensor for Strain / Temperature Discrimination
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宽带混合光纤放大器研究
Research of Broadband Hybrid Optical Fiber Amplifier
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混合光纤同轴用户接入网技术
Techniques of HFC with Access Subscribers
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混合光纤喇曼放大器是发挥各种放大器优势性能、提高放大质量的一种新的放大器发展方向。
Hybrid Raman fiber amplifier is of great potential because it has the advantage of all kinds of amplifiers .
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第一章分简要介绍了当前宽带网络的发展状况,着重介绍了有线电视系统的混合光纤同轴网络。
In first chapter , introduce the present developing status of broadband access network briefly and describe the HFC in detail .
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介绍了混合光纤同轴网的组成及工作原理,分析了其频谱安排、指标分配、传输模式等。
This paper introduces the composing principle of the hybrid fiber coax , and analyzes the technology characteristics , such as frequency arrange , index division , transmission form etc.
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目前,中国广电总局正在大力改造原有的混合光纤同轴形式的接入网,向光接入网发展,拓展光纤传输链路。
An evolution in access network is now proposed by the Chinese administration of radio film and television , changing the hybrid fiber coaxial networks to optical access networks .
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分析了混合光纤同轴网的几种组网方式,如星形网、树形网、星树形网和环形网。
This paper analyzes the network structure of the hybrid fiber coax , such as star form network , tree form network , star tree form network and annular network .
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首先介绍了一种混合光纤放大器的设计方法,接下来设计了一个宽带混合光纤放大器,并对该宽带混合光纤放大器增益特性和噪声特性进行了仿真研究。
In chapter 5 , a design method of hybrid fiber amplifiers is introduced firstly . Then a broadband hybrid fiber amplifier is designed . The gain and noise characteristics of it are studied .
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在利用法拉第(Faraday)效应的混合型光纤传感器中,通常用全反射改变光的传递方向,以增加有效光程,并使结构紧凑。
In hybrid current fiber sensors operating on the Faraday effect , reflection ig often used for changing the propagating direction of light to increase the effective optical path and to make the structure of the sensos compact .
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本文论述了一种用激光供电的混合式光纤电流传感器(EOCT),它的额定电压为220kV,额定电流为1200A。
A new type hybrid optical electronic current transformer ( EOCT ) with rated voltage 220 kV and rated current 1 200 A , was developed .
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时分波分混合复用光纤水听器阵列的实验研究
Experiment on optical hydrophone array with hybrid time and wavelength division multiplexing
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抽运方式对混合拉曼光纤放大器性能的影响
The Influence of Pumping Configuration in Hybrid Raman Fiber Amplifier on Its Performance
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混合型光纤电流传感器的磁光效应
Magneto-optic Effect of Hybrid Fiber Current Sensor
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本文对聚合物混合棒光纤耦合器的性能进行了深入的理论和实验研究。
In this thesis , numerical calculation and experiment measurement for polymer mix rod optical fiber coupler have been done .
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我们用火石玻璃作为法拉第旋转材料,用多模光纤作为光信号的传导材料构成混合型光纤电流传感器。
A hybrid fiber current sensor system has been built by using flint glass as Faradaymaterial and multimode fiber as conduct material of optical signal .
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混合型光纤传感器综合了传统传感器已经验证的传感可靠性以及光纤数据传输的优点,易于实现传统传感器的光纤遥感、遥测。
Integrated advantages of both the validated sensing reliability of traditional sensors and the data transmission of optic fiber , hybrid optic fiber sensors tend to remote sensing and remote measuring of traditional sensors .